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Mouse MSLN/Mesothelin Protein, ECD (Extracellular Domain), Biotinylated, Recombinant

Product ID: mMSLN-Biot (SKU#: FCL3452B)

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$497.00
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Description

Mesothelin (MSLN) is a glycosylphosphatidylinositol (GPI)-anchored glycoprotein that is expressed on mesothelial cells in the pleura, pericardium and peritoneum.  It is overexpressed in mesotheliomas, ovarian and pancreatic cancers as well as in specific squamous cell carcinomas. The MSLN gene encodes a precursor protein that is cleaved into two products, megakaryocyte-potentiating factor (MPF) and MSLN. MPF is secreted and functions as a cytokine that can stimulate colony formation in bone marrow megakaryocytes. The cleaved form of MSLN remains GPI-anchored on cell-surface and may function as a cell adhesion molecule. Alternative splicing results in multiple transcript variants. Two variant forms exist; variant 1 has an eight amino acid insertion and is rarely expressed, while variant 2 is a truncated form found in cancers but rarely detected in normal individuals. MSLN interacts with CA125/MUC16 and potentiates megakaryocyte colony formation in vitro. MSLN is secreted by several mesothelioma cell lines and is frequently elevated in the blood of patients with mesothelioma. Measurement of this protein may be useful in following the response of mesothelioma to treatment. 

 

Mesothelin (MSLN) is a glycosylphosphatidylinositol (GPI)-anchored glycoprotein that is expressed on mesothelial cells in the pleura, pericardium and peritoneum.  It is overexpressed in mesotheliomas, ovarian and pancreatic cancers as well as in specific squamous cell carcinomas. The MSLN gene encodes a precursor protein that is cleaved into two products, megakaryocyte-potentiating factor (MPF) and MSLN. MPF is secreted and functions as a cytokine that can stimulate colony formation in bone marrow megakaryocytes. The cleaved form of MSLN remains GPI-anchored on cell-surface and may function as a cell adhesion molecule. Alternative splicing results in multiple transcript variants. Two variant forms exist; variant 1 has an eight amino acid insertion and is rarely expressed, while variant 2 is a truncated form found in cancers but rarely detected in normal individuals. MSLN interacts with CA125/MUC16 and potentiates megakaryocyte colony formation in vitro. MSLN is secreted by several mesothelioma cell lines and is frequently elevated in the blood of patients with mesothelioma. Measurement of this protein may be useful in following the response of mesothelioma to treatment. 

 

Product Details

 

Gene Symbol: MSLN; MPF; SMRP; CAK1; mMSLN

 

NCBI Gene ID: 56047

 

Uniprot Entry: Q61468

 

Construct Details: The recombinant mouse MSLN ECD protein is expressed as a 319-amino acid protein consisting of Arg296 - Asp592 region of mouse MSLN and a C-terminal His-tag, which exists as a monomer under non-reducing conditions.  

 

Source: Mammalian cells stably expressing mouse MSLN ECD and growing in chemical-defined media with no animal components or antibiotics

 

Deduced Amino Acid Sequence: 

        10         20         30         40         50         60 

RRDAEQKACP PGKEPYKVDE DLIFYQNWEL EACVDGTMLA RQMDLVNEIP FTYEQLSIFK 

        70         80         90        100        110        120 

HKLDKTYPQG YPESLIQQLG HFFRYVSPED IHQWNVTSPD TVKTLLKVSK GQKMNAQAIA 

       130        140        150        160        170        180 

LVACYLRGGG QLDEDMVKAL GDIPLSYLCD FSPQDLHSVP SSVMWLVGPQ DLDKCSQRHL 

       190        200        210        220        230        240 

GLLYQKACSA FQNVSGLEYF EKIKTFLGGA SVKDLRALSQ HNVSMDIATF KRLQVDSLVG 

       250        260        270        280        290        300 

LSVAEVQKLL GPNIVDLKTE EDKSPVRDWL FRQHQKDLDR LGLGLQGGIP NGYLVLDGST 

       310        320      

TENLYFQGST GHHHHHHHH 

  

M.W.: Calculated molecular mass (kDa): 36; Estimated by SDS-PAGE under reducing condition (kDa): 45-60

 

Calculated PI: 6.00

 

Calculated extinction coefficients (M-1 cm-1, at 280nm):  40255

 

Purity: >90% judged by SDS-PAGE under reducing condition (see the gel image above, labeled as "S" and "M" for marker)

 

Formulation: Supplied at 0.5 mg/ml in sterile PBS pH7.4 (carrier & preservative free). The purified recombinant protein was labeled with Biotin (3-5 Biotin per molecule) using the standard procedure.

 

Endotoxin Level: <0.1 EU per 1 μg of purified recombinant protein determined by the LAL method

 

 

  

FOR RESEARCH USE ONLY. NOT FOR DIAGNOSTIC OR THERAPEUTIC USE IN HUMAN.

Restriction: This product is not transferable or re-sellable.  Customer obtain no right to transfer, assign, or sublicense its use rights, or to transfer, resell, package, or otherwise distribute the product, or to use the product for the benefit of any third party or for any commercial purpose.  Customer may only use the product in compliance with applicable local, state and federal laws, regulations and rules.  Customer may not directly or indirectly use the product or allow the transfer, transmission, export or re-export of all or any part of the product in violation of any export control law or regulation of the united states or any other relevant jurisdiction.  Your use of this product constitutes acceptance of the terms of this limited use agreement.  Please refer to our “terms & conditions” for details.  If you are not willing to accept the limitation of this agreement, G&P Biosciences will accept return of the product for a full/partial refund.

 

Storage

 

The product is shipped at 4°C. Upon receipt, centrifuge the product briefly before opening the vial. It is recommended to store small aliquots at the temperature below –20°C for long-term storage and the product is stable for 3 months. The undiluted protein can be stored at 4°C for no more than 2 weeks.

 

 

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

 

 

 

 

 

FOR RESEARCH USE ONLY. NOT FOR DIAGNOSTIC OR THERAPEUTIC USE IN HUMAN.

 

References

 

1. J. Biol. Chem. 269:805-808 (1994)

2. J. Biol. Chem. 270:21984-21990 (1995)

3. Clin. Cancer Res. 12:4225-4231 (2006)

4. Proc. Natl. Acad. Sci. 96:11531-11536 (1999)

 


 

 

Additional supporting documents, including PDS, COA and MSDS are available upon request.

 

 

 

FOR RESEARCH USE ONLY. NOT FOR DIAGNOSTIC OR THERAPEUTIC USE IN HUMAN.

Restriction: This product is not transferable or re-sellable.  Customer obtain no right to transfer, assign, or sublicense its use rights, or to transfer, resell, package, or otherwise distribute the product, or to use the product for the benefit of any third party or for any commercial purpose.  Customer may only use the product in compliance with applicable local, state and federal laws, regulations and rules.  Customer may not directly or indirectly use the product or allow the transfer, transmission, export or re-export of all or any part of the product in violation of any export control law or regulation of the united states or any other relevant jurisdiction.  Your use of this product constitutes acceptance of the terms of this limited use agreement.  Please refer to our “terms & conditions” for details.  If you are not willing to accept the limitation of this agreement, G&P Biosciences will accept return of the product for a full/partial refund.

 

Molecule Class GPI-anchored Protein
Gene Synonym MSLN; MPF; SMRP; CAK1
Gene Family Mesothelin Family
Research Area Cancer
"A" - "Z" List
M
Pathway/Disease Cell Adhesion
Species
Mouse

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